---
title: kAXSystemDialogSubrole
framework: applicationservices
role: symbol
role_heading: Global Variable
path: applicationservices/kaxsystemdialogsubrole
---

# kAXSystemDialogSubrole

A system-generated dialog window that floats on the top layer, regardless of which application is frontmost. Use this subrole only when a dialog or alert applies to the system as a whole, such as a shutdown dialog.

## Declaration

```swift
var kAXSystemDialogSubrole: String { get }
```